Description
The Schneider Electric (Barber Colman) MC-421 is a dependable 2-position damper motor engineered for precision airflow control in commercial and light industrial HVAC systems. Backed by the trusted Barber Colman legacy and Schneider Electric’s engineering excellence, this motor delivers consistent, repeatable performance in demanding building automation and zone control applications.
Key Features
- 120V AC power supply for compatibility with standard commercial HVAC control circuits
- 180° full-stroke rotation for broad damper positioning range
- 20-second stroke timing for smooth, controlled damper actuation
- 2-position (open/closed) operation for straightforward on/off damper control
- Integrated auxiliary switch (w/SW) for end-of-travel signaling or interlock applications
- Compact, rugged motor design suited for duct-mounted and air-handling unit damper assemblies
- Drop-in replacement for legacy Barber Colman MC-421 installations
Specifications
- SKU: MC-421
- Brand: Schneider Electric (Barber Colman)
- Supply Voltage: 120V AC
- Stroke Angle: 180°
- Stroke Time: 20 Seconds
- Control Action: 2-Position (Open/Closed)
- Auxiliary Switch: Included
Applications
- Commercial air handling unit (AHU) damper control
- Outside air and exhaust damper actuation
- Zone control and building automation systems
- Retrofit and replacement of existing Barber Colman MC-series motors
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